@Bean
	    public DataSource dataSource() {
	        DriverManagerDataSource dataSource = new DriverManagerDataSource();
	        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
	        dataSource.setUrl("jdbc:mysql://localhost:3306/conference");
	        dataSource.setUsername("root");
	        dataSource.setPassword("root");

	        return dataSource;
	    }